Question about Dell E173FP 17" LCD Monitor

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Power light blinking. no other response - Dell E173FP 17" LCD Monitor

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The blinking LED mean that the display will not be shown to you and this problem belongs to short circuiting of transistor that are being connected with the mini transformers. The transformers boosts up the voltages for the LCD screen.
IF you are a technical person then handle the situation as i am going to describe. Otherwise, get it done by an expert in this field.

1. Open the back stand that holds the monitor by opening the 4 nos. of philip screws behind it as shown
power light blinking. no other response - d282d3b.jpg
2.After the stand is removed you will need to pry the back of the case off as illustrated in the pictures below. Use a small flat bladed screwdriver start at one of the release openings on the bottom as shown. Once you have a little gap in the case just pull the 2 halves apart and work your way around the screen.
17ee263.jpg
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3.
After the screen unit is removed from the plastic case we can get down to the repair. We need to remove the power supply unit. You will need to unplug the 4 back-light connections (connectors with pink and white leads, circled in red) and the control panel cable the flat signal cable. Then remove the 2 screws from each end, then undo the 2 small nuts holding thpower light blinking. no other response - 8cb60d4.jpgctor to the case (circled in yellow).
8cb60d4.jpg
4.
Before you fully remove the shield and board assembly be sure to unplug the LCD signal cable that is under the boards as seen in the picture to the right. Now turn the assembly over and remove the 5 screws and the 2 plastic standoff clips as marked by the yellow circles below. Now with the board removed you will need to replaced the components that are circled. The parts are as follows:
3 Amp Fuse (yellow)
Q759, Q760, Q734 & Q740 - C5707 transistors (red)
Q743 & Q751 - MOSFET Transistors (blue)
The location nupower light blinking. no other response - ce75923.jpgr a E173FPb but the E172FPb boards have thepower light blinking. no other response - 94440e2.jpg in the same locations.

ce75923.jpg

94440e2.jpg
cb255c0.jpg

I hope it is an understandable thing to do. Get it done yourself or an expert and get back your view...

good luck

Posted on Feb 03, 2010

  • 1 more comment 
  • SALMAN NASEER Feb 04, 2010

    If the VGA cable is problematic then the permanent orange LED will glow.

    regards,
    salman


  • chancemwalwa Mar 01, 2011

    You made my 1year trying to fix this a night in quatar plaza. You are another gig.Thanks
    Chance Mwalwanda-malawi

  • Lynn Kelley
    Lynn Kelley May 27, 2011

    whats the trick in pulling those 4 backlite connectors out they wont come out and I'm worried that I mite pull the wires out.

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Better check the vga cable of the lcd monitor, power cord also and install the vedio driver properly, if this is also not working better contact dell service center . power light blinking. no other response - kpfrlewajveq0aaaaasuvork5cyii%3d

Posted on Feb 03, 2010

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